It is used for a prosecutor called carbon dating.This can be used to determine the age of an object. So carbon 14 decays in biological life and we can find out how old objects are by finding the amount of C14 left.
So the answer is Carbon dating Hope this helps and happy new year :)
Add all of the pressures, 55, 90, and 50, and divide 100 by the answer you get (195). You'll get 0.512820513 and multiply it by .55 (atm of Oxygen) and you'll get 28.2
